Hi, Il giorno mar, 08/01/2019 alle 16.07 +0100, Johannes Meixner ha scritto: > Hello, > > On Jan 8 11:44 Andrea Vai wrote (excerpt): > > > > $ lsusb |grep Canon > > Bus 003 Device 010: ID 04a9:2206 Canon, Inc. CanoScan N650U/N656U > > > > $ scanimage -d plustek:libusb:003:010 --format=jpeg -p -v --mode > Gray > > --resolution 150 -x 215 -y 297 > test.jpg > > > > does not respond. > > > > The same device works on windows, with the same usb port, same > cable > > and same hardware (well, actually it is a Virtual Machine inside > the > > linux box). > > > > Also, trying again scanimage -L it hangs for >15 minutes, then I > kill > > it and try again in Windows it still work :-/ > > Nowadays "xhci_hcd" kernel driver/module issues (a.k.a. "USB 3") > are the most often cause of inexplicable issues with USB scanners, > cf. > http://lists.alioth.debian.org/pipermail/sane-devel/2016-November/034901.html > and follow the links therein.
Thank you for all the valuable information you provided me. Indeed, the only definitive solution was to install a PCI USB 2.0 card, and connect the scanner directly to it. Thank you very much, Andrea -- sane-devel mailing list: [email protected] https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to [email protected]
